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# Configure reaction entry 1, specifying that five consecutive probe failures trigger the static routing-track-
NQA collaboration.
[SwitchA-nqa-admin-test-icmp-echo] reaction 1 checked-element probe-fail threshold-type
consecutive 5 action-type trigger-only
[SwitchA-nqa-admin-test-icmp-echo] quit
# Start NQA probes.
[SwitchA] nqa schedule admin test start-time now lifetime forever
# Configure track entry 1, and associate it with reaction entry 1 of the NQA test group (with the
administrator admin, and the operation tag test).
[SwitchA] track 1 nqa entry admin test reaction 1
3. Configure Switch B.
# Configure a static route to 30.1.1.0/24, with the address of the next hop as 10.2.1.4.
<SwitchB> system-view
[SwitchB] ip route-static 30.1.1.0 24 10.2.1.4
# Configure a static route to 20.1.1.0/24, with the address of the next hop as 10.1.1.1.
[SwitchB] ip route-static 20.1.1.0 24 10.1.1.1
4. Configure Switch C.
# Configure a static route to 30.1.1.0/24, with the address of the next hop as 10.4.1.4.
<SwitchC> system-view
[SwitchC] ip route-static 30.1.1.0 24 10.4.1.4
# Configure a static route to 20.1.1.0/24, with the address of the next hop as 10.3.1.1.
[SwitchC] ip route-static 20.1.1.0 24 10.3.1.1
5. Configure Switch D.
# Configure a static route to 20.1.1.0/24, with the address of the next hop as 10.2.1.2 and the default
priority 60. This static route is associated with track entry 1.
<SwitchD> system-view
[SwitchD] ip route-static 20.1.1.0 24 10.2.1.2 track 1
# Configure a static route to 20.1.1.0/24, with the address of the next hop as 10.4.1.3 and the priority
80.
[SwitchD] ip route-static 20.1.1.0 24 10.4.1.3 preference 80
# Configure a static route to 10.1.1.1, with the address of the next hop as 10.2.1.2.
[SwitchD] ip route-static 10.1.1.1 24 10.2.1.2
# Create an NQA test group with the administrator admin and the operation tag test.
[SwitchD] nqa entry admin test
# Configure the test type as ICMP-echo.
[SwitchD-nqa-admin-test] type icmp-echo
# Configure the destination address of the test as 10.1.1.1 and the next hop address as 10.2.1.2 to check
the connectivity of the path from Switch D to Switch B and then to Switch A through NQA.
[SwitchD-nqa-admin-test-icmp-echo] destination ip 10.1.1.1
[SwitchD-nqa-admin-test-icmp-echo] next-hop 10.2.1.2
# Configure the test frequency as 100 ms.
[SwitchD-nqa-admin-test-icmp-echo] frequency 100
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